Galadriel (person)

Readers of The Silmarillion know that oh-so-pure-and-gentle Galadriel actually wasn't. She "travelled" to Middle-Earth as a leader of the Noldor, using the swan-ships of the Teleri, after having killed many of their builders in the Kinslaying at Alqualonde when they refused to hand over their ships and join the Noldor rebellion.